Erigeron glacialis

Erigeron glacialis
Erigeron glacialis var. glacialis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Erigeron
Species:	E. glacialis
Binomial name
Erigeron glacialis (Nutt.) A.Nelson
Synonyms[1]
Aster glacialis Nutt. Erigeron angustifolius (A.Gray) Rydb. 1897 not Phil. 1894 Erigeron callianthemus Greene Erigeron loratus Greene Erigeron scaposus Torr. & A.Gray 1841 not DC. 1836

Erigeron glacialis, the glacial daisy, glacial fleabane, Subalpine fleabane,^[2] or wandering fleabane,^[3] is a western North American perennial plant in the (daisy family).^[4]

Erigeron glacialis is native to the mountains of western North America, including Cascades, the Sierra Nevada, and the Rocky Mountains.^[5] It has been found from Alaska and Yukon south as far as California, Arizona, and New Mexico.^[6] In the Sierra Nevada, it may be found with mixed coniferous and upper montane vegetation types, and in the alpine zone to 11,200 feet (3,400 m).^[4][3]

Erigeron glacialis is a perennial herb up to 70 cm (28 inches) tall, with a thick taproot and spreading by means of underground rhizomes. Leaves are up to 20 cm (8 inches) long, linear-oblanceolate to broadly lanceolate or spatulate. Each stem sometimes produces only 1 flower head, sometimes a group of up to 8. Each head has up to 80 white, blue, pink, or lavender ray florets surrounding numerous yellow disc florets.^[2]

It blooms between July and September.^[4]

Varieties^[2]

• Erigeron glacialis var. glacialis - most of species range
• Erigeron glacialis var. hirsutus (Cronquist) G.L.Nesom - California, Nevada

References[]